diff options
Diffstat (limited to 'gcc-4.3.1/gcc/ada/a-catizo.adb')
| -rw-r--r-- | gcc-4.3.1/gcc/ada/a-catizo.adb | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/a-catizo.adb b/gcc-4.3.1/gcc/ada/a-catizo.adb new file mode 100644 index 000000000..f6277397d --- /dev/null +++ b/gcc-4.3.1/gcc/ada/a-catizo.adb @@ -0,0 +1,71 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- A D A . C A L E N D A R . T I M E _ Z O N E S -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2006, Free Software Foundation, Inc. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 2, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +package body Ada.Calendar.Time_Zones is + + -------------------------- + -- Implementation Notes -- + -------------------------- + + -- All operations in this package are target and time representation + -- independent, thus only one source file is needed for multiple targets. + + --------------------- + -- UTC_Time_Offset -- + --------------------- + + function UTC_Time_Offset (Date : Time := Clock) return Time_Offset is + Offset_L : constant Long_Integer := + Time_Zones_Operations.UTC_Time_Offset (Date); + Offset : Time_Offset; + + begin + if Offset_L = Invalid_Time_Zone_Offset then + raise Unknown_Zone_Error; + end if; + + -- The offset returned by Time_Zones_Operations.UTC_Time_Offset is in + -- seconds, the returned value needs to be in minutes. + + Offset := Time_Offset (Offset_L / 60); + + -- Validity checks + + if not Offset'Valid then + raise Unknown_Zone_Error; + end if; + + return Offset; + end UTC_Time_Offset; + +end Ada.Calendar.Time_Zones; |